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dancinec
19th of August 2005 (Fri), 10:29
This is a shot of the top of my Bogen 3221 tripod. It works great and I am very pleased with it. I purchased it off eBay for 80.00. What I am curious about is the open screw hole on the top near the center column. Am I missing something?
Steve Parr
19th of August 2005 (Fri), 10:40
Am I missing something?

My immediate guess would be "a screw"...

Steve
20D-Newbe
19th of August 2005 (Fri), 10:44
My guess is a holder for one of the screws that attaches the quick release plate to the camera.

Sorry don't know much about yours - but mine came with two screws (of different threads) and you just screw the one you are not using into the tripod base (mine has two holes with threads)
DocFrankenstein
19th of August 2005 (Fri), 10:46
It could be the screw that puts pressure on the tripod mount, so that the head and the column are attached securely...
SkipD
19th of August 2005 (Fri), 10:55
I'm certain that threaded hole is for attaching the old style long strap to the tripod. There is a similar hole on each leg of my Bogen 3051 for that purpose. There may be or have been other accessories (like a net to hold stuff) that could be connected via that hole too.
cfcRebel
19th of August 2005 (Fri), 11:16
I think it's for the screw-in water bubble leveling device (or whatever u guys call it). If u don't find that device anywhere else on the tripod, this hole is probably for the device.
dancinec
19th of August 2005 (Fri), 15:33
My immediate guess would be "a screw"...

Steve
Thanks... Now what did I expect?
dancinec
19th of August 2005 (Fri), 15:35
I'm certain that threaded hole is for attaching the old style long strap to the tripod. There is a similar hole on each leg of my Bogen 3051 for that purpose. There may be or have been other accessories (like a net to hold stuff) that could be connected via that hole too.
Your explaination seems to fit the evidence, since there is a leveling device and the hole goes nowhere (would put pressure on anything). Thanks to all who tried to help.
DwightMcCann
19th of August 2005 (Fri), 17:14
It is for a carrying strap.
dancinec
19th of August 2005 (Fri), 22:53
It is for a carrying strap.
Thanks Dwight, that seems to be the concluesion.
wilflee
20th of August 2005 (Sat), 20:58
http://img395.imageshack.us/img395/9008/socket0ay.jpg
DwightMcCann
20th of August 2005 (Sat), 21:01
OK, now exactly what is the strap called and where can I buy one? :-)
SkipD
20th of August 2005 (Sat), 21:55
This is the current version of the strap. http://www.bhphotovideo.com/bnh/controller/home?O=productlist&A=details&Q=&sku=5285&is=REG&addedTroughType=search

The connection to the tripod's threaded hole in the spider is different than the photo above, though. The current model has an adapter that screws into the spider and a clip on the strap that clips to the adapter. The strap shown in the photo above is an older model and is no longer available new.